OHA Drinking Water Services

PWS ID: 00719 ---- UMPQUA BASIN WATER ASSOC
LRAAs and OELs

LRAA = Locational running annual average; OEL = Operational evaluation level. Learn about OELs here.
Averages are subject to change as new data is taken into consideration.

Monitoring
Period
Last
Sample
Sample
Point
Location
 
TTHM LRAA
MCL = 0.080
TTHM
OEL
HAA5 LRAA
MCL = 0.060
HAA5
OEL
4Q2018 Oct 31, 2018 2DBP-01 STEINHAUER 0.024 0.024 0.023 0.021
4Q2018 Oct 31, 2018 2DBP-02 ROGERS RD & OAK HILL RD 0.024 0.025 0.021 0.019
 
3Q2018 Aug 22, 2018 2DBP-01 STEINHAUER 0.029 0.025 0.037 0.022
3Q2018 Aug 22, 2018 2DBP-02 ROGERS RD & OAK HILL RD 0.030 0.026 0.026 0.020
 
2Q2018 May 23, 2018 2DBP-01 STEINHAUER 0.032 0.028 0.038 0.041
2Q2018 May 23, 2018 2DBP-02 ROGERS RD & OAK HILL RD 0.032 0.028 0.027 0.029
 
1Q2018 Feb 22, 2018 2DBP-01 STEINHAUER 0.031 0.031 0.040 0.038
1Q2018 Feb 22, 2018 2DBP-02 ROGERS RD & OAK HILL RD 0.032 0.031 0.027 0.027
 
4Q2017 Oct 25, 2017 2DBP-01 STEINHAUER 0.031 0.037 0.042 0.051
4Q2017 Oct 25, 2017 2DBP-02 ROGERS RD & OAK HILL RD 0.035 0.039 0.031 0.030
 
3Q2017 Aug 16, 2017 2DBP-01 STEINHAUER 0.034 0.029 0.041 0.028
3Q2017 Aug 16, 2017 2DBP-02 ROGERS RD & OAK HILL RD 0.035 0.034 0.039 0.026
 
2Q2017 Jun 07, 2017 2DBP-01 STEINHAUER 0.030 0.030 0.039 0.046
2Q2017 Jun 07, 2017 2DBP-02 ROGERS RD & OAK HILL RD 0.033 0.031 0.036 0.042
 
1Q2017 Mar 08, 2017 2DBP-01 STEINHAUER 0.033 0.031 0.030 0.038
1Q2017 Mar 08, 2017 2DBP-02 ROGERS RD & OAK HILL RD 0.033 0.034 0.031 0.039
 
4Q2016 Nov 30, 2016 2DBP-01 STEINHAUER 0.034 0.042 0.033 0.038
4Q2016 Nov 30, 2016 2DBP-02 ROGERS RD & OAK HILL RD 0.033 0.035 0.030 0.038
 
3Q2016 Aug 18, 2016 2DBP-01 STEINHAUER 0.034 0.024 0.039 0.018
3Q2016 Aug 18, 2016 2DBP-02 ROGERS RD & OAK HILL RD 0.038 0.031 0.027 0.013
 
2Q2016 Jun 15, 2016 2DBP-01 STEINHAUER 0.038 0.036 0.041 0.038
2Q2016 Jun 15, 2016 2DBP-02 ROGERS RD & OAK HILL RD 0.039 0.037 0.030 0.029
 
1Q2016 Feb 17, 2016 2DBP-01 STEINHAUER 0.038 0.038 0.048 0.051
1Q2016 Feb 17, 2016 2DBP-02 ROGERS RD & OAK HILL RD 0.040 0.040 0.035 0.036
 
4Q2015 Dec 02, 2015 2DBP-01 STEINHAUER 0.043 0.046 0.051 0.060
4Q2015 Dec 02, 2015 2DBP-02 ROGERS RD & OAK HILL RD 0.044 0.049 0.040 0.040
 
3Q2015 Aug 12, 2015 2DBP-01 STEINHAUER 0.038 0.038 0.035 0.031
3Q2015 Aug 12, 2015 2DBP-02 ROGERS RD & OAK HILL RD 0.039 0.037 0.033 0.029
 
2Q2015 May 20, 2015 2DBP-01 STEINHAUER 0.028 0.036 0.031 0.039
2Q2015 May 20, 2015 2DBP-02 ROGERS RD & OAK HILL RD 0.030 0.038 0.030 0.038
 
1Q2015 Feb 25, 2015 2DBP-01 STEINHAUER 0.021 0.022
1Q2015 Feb 25, 2015 2DBP-02 ROGERS RD & OAK HILL RD 0.023 0.022
 
4Q2014 Oct 22, 2014 2DBP-01 STEINHAUER 0.009 0.008
4Q2014 Oct 01, 2014 2DBP-02 ROGERS RD & OAK HILL RD 0.012 0.008
 



For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3904